Components upgrades - Mark Levinson 532H power amp replaces ML 333 and ML 326 preamp replaces ML 320S. Changes in Power conditioning Shunyata Research Hydra 8 replaces Hydra 2 - all source components can be isolated . Additional power cord replacement include new Voodoo cable Infinity Digital for Sony SCD 777es cd player and addition on a Benchmart DAC Transparent Reference SS speaker cable and and IC remain as reference. New Magneplanar .7 replaced MMG's. Low end reinforced with REL T9i